6 Bible Verses about Demons Causing Illness

One of the multitude answered, "Teacher, I brought to you my son, who has a mute spirit; and wherever it seizes him, it throws him down, and he foams at the mouth, and grinds his teeth, and wastes away. I asked your disciples to cast it out, and they weren't able." He answered him, "Unbelieving generation, how long shall I be with you? How long shall I bear with you? Bring him to me."read more.
They brought him to him, and when he saw him, immediately the spirit convulsed him, and he fell on the ground, wallowing and foaming at the mouth. He asked his father, "How long has it been since this has come to him?" He said, "From childhood. Often it has cast him both into the fire and into the water, to destroy him. But if you can do anything, have compassion on us, and help us." Jesus said to him, "If you can believe, all things are possible to him who believes." Immediately the father of the child cried out with tears, "I believe. Help my unbelief!" When Jesus saw that a multitude came running together, he rebuked the unclean spirit, saying to him, "You mute and deaf spirit, I command you, come out of him, and never enter him again!" Having cried out, and convulsed greatly, it came out of him. The boy became like one dead; so much that most of them said, "He is dead." But Jesus took him by the hand, and raised him up; and he arose.

When they came to the multitude, a man came to him, kneeling down to him, saying, "Lord, have mercy on my son, for he is epileptic, and suffers grievously; for he often falls into the fire, and often into the water. So I brought him to your disciples, and they could not cure him."read more.
Jesus answered, "Faithless and perverse generation! How long will I be with you? How long will I bear with you? Bring him here to me." Jesus rebuked him, the demon went out of him, and the boy was cured from that hour.

It happened on the next day, when they had come down from the mountain, that a great multitude met him. Behold, a man from the crowd called out, saying, "Teacher, I beg you to look at my son, for he is my only child. Behold, a spirit takes him, he suddenly cries out, and it convulses him so that he foams, and it hardly departs from him, bruising him severely.read more.
I begged your disciples to cast it out, and they couldn't." Jesus answered, "Faithless and perverse generation, how long shall I be with you and bear with you? Bring your son here." While he was still coming, the demon threw him down and convulsed him violently. But Jesus rebuked the unclean spirit, and healed the boy, and gave him back to his father.

As they went out, behold, a mute man who was demon possessed was brought to him. When the demon was cast out, the mute man spoke. The multitudes marveled, saying, "Nothing like this has ever been seen in Israel!"

He was casting out a demon, and it was mute. It happened, when the demon had gone out, the mute man spoke; and the multitudes marveled.

Behold, there was a woman who had a spirit of infirmity eighteen years, and she was bent over, and could in no way straighten herself up.